Here is the full list of all 50 Armello achievements.
Become King or Queen of Armello 50 times.
Regain a Recruited Follower to your Party whom you had already lost that game.
Annihilate another Hero with Brun's Hero power active.
Kill the same Hero 5 times in a single game.
Make 3 Kills in one Turn using River's Hero power.
Defeat a Corrupted Hero with Sana's Hero Power.
Overcome ten Perils in a single game.
Find and Equip three Treasures from Dungeons.
As Amber, have 3 Equipped Treasures and 3 Recruited Followers.
Finish a game with Zosha having never been revealed at Night.
Reach 13 Rot or more in a single game.
Play Lightning Strike to a Hero standing on a Palace Tile.
In a game, go from being Corrupt to having 0 Rot.
Kill 3 King's Guards with a Royal Pardon Equipped.
In one turn, Kill a Hero with whom you currently have an Allies' Pact and take one of their Settlements.
Breach the Palace before the 5th Dawn.
Steal another Hero's last Gold using Mercurio's Hero power.
Defeat four or more Kings Guard's in a single game.
Win a game with a Rot Victory.
Pierce through 3 Shields with Thane's Hero Power.
Have your Items grant you six or more Shields in Battle.
Win a game with Brun of the Bear Clan.
Win a game with Mercurio of the Rat Clan.
Win a game with Sana of the Bear Clan.
Be saved by a very helpful fellow, just when you need him most.
Win a game with Zosha of the Rat Clan.
In a single game, receive more than ten Gold from Exploring Dungeons.
Win a game with Amber of the Rabbit Clan.
Win a game with a Spirit Stone Victory.
Be tricked and trapped by some troublesome lil' fellows.
In a single game, find two Portals by Exploring Dungeons.
Kill the King in Battle, without taking any Wounds.
As Barnaby, have three Items Equipped and have a full Hand of Item Cards.
Heal a Bane.
Win a game with Barnaby of the Rabbit Clan.
Win a game of Armello without dying.
Win a game of Armello without killing another Hero.
Play Reprieve on yourself the same turn you receive a Bounty.
Have the Spy Glass and Sailor's Lantern Equipped at the same time.
Win a game with Thane of the Wolf Clan.
Win a game with a Kingslayer Victory.
Steal the King's Crown in Battle with the Mirror Cape.
As the Prestige Leader, attack the King.
Be tempted beyond restraint in a Forest.
Be presented with a mystical choice.
Win a game with River of the Wolf Clan.
Win a game with a Prestige Victory
Win a game with a Prestige Victory on the 9th Day or later.
Kill another Hero in Battle with nothing Equipped and no Followers.
Complete Armello's Prologue.